Gaya APA

Lewis, C.S.. (1996). Screwtape Letters, The . New York: Harper One.

Gaya Chicago

Lewis, C.S.. Screwtape Letters, The. New York: Harper One, 1996. Text.

Gaya MLA

Lewis, C.S.. Screwtape Letters, The. New York: Harper One, 1996. Text.

Gaya Turabian

Lewis, C.S.. Screwtape Letters, The. New York: Harper One, 1996. Print.